Rabbi Lawrence A. Hoffman, PhD, has served for more than three decades as professor of liturgy at Hebrew Union College–Jewish Institute of Religion in New York. He is a world-renowned liturgist and holder of the Stephen and Barbara Friedman Chair in Liturgy, Worship and Ritual. His work combines research in Jewish ritual, worship and spirituality with a passion for the spiritual renewal of contemporary Judaism. His many books, written and edited, include seven volumes in the Prayers of Awe series: Who by Fire, Who by Water—Un'taneh Tokef; All These Vows—Kol Nidre; We Have Sinned: Sin and Confession in Judaism—Ashamnu and Al Chet; May God Remember: Memory and Memorializing in Judaism—Yizkor; All the World: Universalism, Particularism and the High Holy Days; Naming God: Avinu Malkeinu—Our Father, Our King; and Encountering God: El Rachum V'chanun—God Merciful and Gracious. Hoffman also edited the ten-volume series My People’s Prayer Book: Traditional Prayers, Modern Commentaries, winner of the National Jewish Book Award; and coedited My People’s Passover Haggadah: Traditional Texts, Modern Commentaries, a finalist for the National Jewish Book Award (all Jewish Lights). Rabbi Hoffman cofounded and developed Synagogue 2/3000, a transdenominational project to envision and implement the ideal synagogue of the spirit for the twenty-first century. In that capacity, he wrote Rethinking Synagogues: A New Vocabulary for Congregational Life (Jewish Lights).